diff --git a/test/camera-sensor.cpp b/test/camera-sensor.cpp
index 092cbdd8111ce70d..9fe59cc98d79ccab 100644
--- a/test/camera-sensor.cpp
+++ b/test/camera-sensor.cpp
@@ -83,7 +83,8 @@ protected:
 			return TestFail;
 		}
 
-		V4L2SubdeviceFormat format = sensor_->getFormat({ MEDIA_BUS_FMT_UYVY8_2X8,
+		/* Use an invalid format and make sure it's not selected. */
+		V4L2SubdeviceFormat format = sensor_->getFormat({ 0xdeadbeef,
 								  MEDIA_BUS_FMT_SBGGR10_1X10,
 								  MEDIA_BUS_FMT_BGR888_1X24 },
 								Size(1024, 768));